Brand New In Box: Birkenstock 36 (5 US, 3.5 UK, 230 MM) narrow fit Navy Blue Arizona EVA sandals. These are waterproof and comfortable, just too small for me. “Our best-selling sandal in an ultra-lightweight style. The Arizona EVA sandal is made from water-friendly material, giving you a flexible design built on the contoured footbed you love most. The perfect throw-and-go style for everything from the pool to post-workout. Contoured footbed for legendary BIRKENSTOCK® support Made from single piece of EVA Water-friendly, lightweight & flexible Two adjustable straps with pin buckles Made in Germany Size 5-5.5”